Sound doesn't travel in space.
255
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The Earth gets 100 tons heavier every day due to falling space dust.
673
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12